| You might draw them when answering questions |
| Sherman Hemsley sitcom |
| Action needed to spot the four fliers in the theme answers |
| Another banned chemical |
| A WWI song urged us to keep them burning |
| Activity suggested by this puzzle's theme entries |
| Partially obscured (and a hint to this puzzle's theme) |
| Anathema, to Polonius |
| Adele won five of them in February |
| Salt, chemically |
| Chemist Otto (Nobelist in 1944) |
| About 57 degrees, mathematically |
| Amateur chemist's setup |
| Complains vehemently |
| Mathematician's ordinal |
| Lone Ranger's theme composer |
| Chemical salt |
| Ben Adhem's peaceful experience |
| Bohemian, for one |
| Fabergé jeweled them |
| Bodybuilder's theme song? |
| Miss Marple finds them |
| Bohemian Rhapsody" group |
| Container holding slips of paper with tasks written on them |
| Rhyme scheme in a so-called "Rubáiyát stanza |
| Scold vehemently |
| Chem. datum |
| Biochemical catalyst |
| Asleep ... or a hint to this puzzle's theme |
| Chemist's glass tube |